How long will man take to complete a round of a circular field of radius 21 m cycling at speed of 8km per hour
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Circumference=2*pi*r
2*22/7*21=132m
8km/h=8000/(60*60)=20/9 m/s
V=S/t
t=S/V
=132*9/20=6.6*9=79.2 s
=1 min 19.2 s. Hope this helped.
2*22/7*21=132m
8km/h=8000/(60*60)=20/9 m/s
V=S/t
t=S/V
=132*9/20=6.6*9=79.2 s
=1 min 19.2 s. Hope this helped.
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